Longines Master Collection Automatic 40mm Watch Transparent Caseback which established the Grand Seiko

which established the Grand Seiko Style

Case Back: Transparent design accentuated with a sapphire crystal

Water Resistance: An impressive water resistance rating of 30 bar (equivalent to 300 meters) means it's tailored for both aquatic adventures and urban exploits

this bold timepiece makes a striking style statement with rich details

Inspired by the 1948 President style

Longines Master Collection Automatic 40mm Watch Transparent Caseback which established the Grand SeikoLongines Master Collection: Timeless Elegance and Precision In the annals of horology, Longines stands as a hallmark of precision, heritage, and aesthetic prowess. Ever since its foundation, Longines has been at the forefront of mechanical excellence, marrying tradition with contemporary technology to create masterpieces that resonate with watch enthusiasts globally. The Longines Master Collection, launched in 2005, is a celebration of this rich